/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package jsp2.examples.el;

/**
 * Defines the functions for the jsp2 example tag library.
 * 
 * <p>
 * Each function is defined as a static method.
 * </p>
 */
public class Functions {
	public static String reverse(String text) {
		return new StringBuffer(text).reverse().toString();
	}

	public static int numVowels(String text) {
		String vowels = "aeiouAEIOU";
		int result = 0;
		for (int i = 0; i < text.length(); i++) {
			if (vowels.indexOf(text.charAt(i)) != -1) {
				result++;
			}
		}
		return result;
	}

	public static String caps(String text) {
		return text.toUpperCase();
	}
}
